42-495-34643

PRODUCING Horizontal

COP

WINKLER County · District 8 · BOYD & MCWILLIAMS OPERATING LLC · KEYSTONE (WOLFCAMP)

Permits

2

Max Depth

8,200 ft

First Permit

2021-09-16

Latest Activity

2021-09-16

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-11-22

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2020-10

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (10) Elevation 2,980 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER - POSSIBLE FLOW; POSSIBL (Rustler)1,134 ft+1,846 ft
YATES 2,768 ft+212 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)4,186 ft-1,206 ft
CLEARFORK (Clear Fork)5,726 ft-2,746 ft
CAPITAN REEF - HIGH FLOWS (Capitan)
COLBY / QUEEN
DELAWARE
GLORIETA
HOLT
SEVEN RIVERS / QUEEN (Seven Rivers)

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-495-34636 PRIMERO · SADDLEBACK EXPLORATION, LLC
0.3 mi
Rustler 1,141'Yates 2,686'Seven Rivers 2,968'San Andres 4,135'Glorieta 5,172'Clear Fork 5,627'Capitan Delaware Holt COLBY / QUEEN
42-495-34778 TERCERO · SADDLEBACK EXPLORATION, LLC
0.3 mi
Rustler 1,161'Yates 2,711'Seven Rivers 2,981'San Andres 4,147'Glorieta 5,176'Clear Fork 5,637'Capitan Holt Delaware COLBY / QUEEN
42-495-34831 WHITING 22 · SADDLEBACK EXPLORATION, LLC
0.9 mi
Rustler 1,127'Yates 2,752'Seven Rivers 3,039'San Andres 4,221'Glorieta 5,246'Clear Fork 5,717'Capitan Delaware Holt COLBY / QUEEN
42-495-34559 COP · BOYD & MCWILLIAMS OPERATING, LLC
0.9 mi
Rustler 1,128'Yates 2,792'COLBY / QUEEN 2,865'San Andres 4,187'Clear Fork 5,704'Glorieta Delaware Seven Rivers Holt Capitan
42-495-34693 COP · BOYD & MCWILLIAMS OPERATING, LLC
0.9 mi
Rustler 1,145'Yates 2,835'San Andres 4,237'Clear Fork 5,769'Delaware Glorieta Seven Rivers COLBY / QUEEN Capitan Holt
42-495-33963 EAST KEYSTONE (SAN A HOLT UNIT) · BLACKBEARD OPERATING, LLC
1.0 mi
Rustler 725'Yates 2,280'Queen 2,700'COLBY-QUEEN 2,900'San Andres 3,600'Holt 4,500'Clear Fork Delaware Wichita-Albany Glorieta
42-495-34580 COP · BOYD & MCWILLIAMS OPERATING, LLC
1.1 mi
Rustler 1,177'Yates 2,848'COLBY / QUEEN 3,834'San Andres 4,266'Clear Fork 5,820'Glorieta Holt Delaware Capitan Seven Rivers
42-495-34095 WHITING 21 · BOYD & MCWILLIAMS OPERATING, LLC
1.1 mi
Rustler 1,190'Yates 2,840'San Andres 4,267'Wichita-Albany 6,960'Clear Fork Holt Delaware COLBY-QUEEN Queen Glorieta

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
9,080–13,911 ftPerforated

Casing (3)

SizeSet DepthCement
9.625"810 ft505 sx
7"7,082 ft2,184 sx
5"14,124 ft2,184 sx

Permit History (2)

Applications (2)

#872741 A BOYD & MCWILLIAMS OPERATING, LLC
received 2021-10-06
#872741 A BOYD & MCWILLIAMS OPERATING, LLC
received 2021-09-14

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2022-09-09 log on file
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library can't be deep-linked — clicking copies the API for you to paste.

Lat 31.918331
Lon -102.981238

Well Details

Well Number
121H
Max Depth
8,200 ft
Drill Type
Horizontal
County
WINKLER
District
8
Completed
2021-11-22

Operator

Location
MIDLAND
P-5 Status
Active (filed 2025-11-07)
Cum Oil (all leases)
10,155,406 bbl
Cum Gas (all leases)
58,240 mcf
Activities
OPRS/O
Total Permits
128